Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880697 | Barrier film | Janice Caldwell | 1989-11-14 |
| 4863770 | Plastics film laminants | Ronald E. Layne | 1989-09-05 |
| 4851272 | Plastics film laminates | Ronald E. Layne | 1989-07-25 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880697 | Barrier film | Janice Caldwell | 1989-11-14 |
| 4863770 | Plastics film laminants | Ronald E. Layne | 1989-09-05 |
| 4851272 | Plastics film laminates | Ronald E. Layne | 1989-07-25 |